/Engine/Source/Runtime/TypedElementRuntime/Public/Elements/Interfaces/TypedElementPrimitiveCustomDataInterface.h
Sets a single Primitive's CustomData value.
virtual void SetCustomDataValue ( const [FScriptTypedElementHandle](API\Runtime\TypedElementFramework\Elements\Framework\FScriptTypedElementHandle) & InElementHandle, int32 CustomDataIndex, float CustomDataValue, bool bMarkRenderStateDirty )